Задать во к выделенному(подчеркнутому) слову.

I paint the picture every day.
I painted the picture yesterday.
I will (shall) paint the picture tomorrow.
I am painting the picture now.

You paint the picture every day.
You painted the picture yesterday.
You will paint the picture tomorrow.
You are painting the picture now.

We paint the picture every day.
We painted the picture yesterday.
We will (shall) paint the picture tomorrow.
We are painting the picture now.

They paint the picture every day.
They painted the picture yesterday.
They will paint the picture tomorrow.
They are painting the picture now.

He paints the picture every day.
He painted the picture yesterday.
He will paint the picture tomorrow.
He is painting the picture now.

She paints the picture every day.
She painted the picture yesterday.
She will paint the picture tomorrow.
She is painting the picture now.

It paints the picture every day.
It painted the picture yesterday.
It will paint the picture tomorrow.
It is painting the picture now.

the main causes of pollution of surface water bodies and floodplain lands in the territory of the republic are:

the 1st reason: 14 non-working or working inefficiently, physically outdated, worn-out sewage treatment facilities (usc), which are actually available in each relatively large settlement (there is a constant pollution of water bodies and floodplain lands).

2 reason: alcohol-producing enterprises (discharge of post-alcohol barda into a water source and, in this case, an additional violation – unauthorized use of land plots under pipes for discharge [violation of pp. 5 part 2 article 11 of the water